[Animalia] Linnaeus, 1758 - animals
   Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Bilateralia
         Chordata Bateson, 1885 - chordates
           Vertebrata Cuvier, 1812 - vertebrates
             Mammalia Linnaeus, 1758 - mammals
               Eutheria Gill, 1872 see Infraclass Eutheria Gill, 1872
                 Protungulata
                   †Condylarthra Cope, 1881
                     †Mesonychoidea
                       †Mesonychidae Cope, 1875
                         †Andrewsarchus Osborn, 1924
                         †Honanodon Chow, 1965
                         3 †Mesonyx Cope, 1872
                         4 †Dissacus Cope, 1881
                         5 †Pachyaena Cope, 1874